Project Number Date
test_Tails_ISO_tor-browser-15.0.17 3 29 Jun 2026, 19:40

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 8:13.741 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
17.671
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.010
Given I have started Tails from DVD without network and logged in 6.790
And I prepare Tails for memory erasure tests 0.399
When I start a process allocating 128 MiB of memory with a known pattern 1.188
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.011 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.174
Then I find very few patterns in the guest's memory after 5 seconds 7.106 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 0.714
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
18.401
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 7.046
And I prepare Tails for memory erasure tests 0.487
And I find very few patterns in the guest's memory 2.010 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.520
Then patterns cover at least 99% of the test FS size in the guest's memory 2.012 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.309
Then I find very few patterns in the guest's memory after 3 seconds 5.013 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 1.193
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
34.309
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 7.217
And I prepare Tails for memory erasure tests 0.490
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.554
Then I find very few patterns in the guest's memory 2.031 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.651
Then patterns cover at least 75% of the test FS size in the guest's memory 2.320 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.744
Then I find very few patterns in the guest's memory after 3 seconds 4.956 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# read cache
When I mount the USB drive again 0.158
And I read the content of the test FS 0.497
Then patterns cover at least 99% of the test FS size in the guest's memory 2.361 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.478
Then I find very few patterns in the guest's memory after 3 seconds 4.845 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:339 0.960
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
57.787
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.833
And I prepare Tails for memory erasure tests 0.349
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.634
Then I find very few patterns in the guest's memory 1.742 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.184
Then patterns cover at least 99% of the test FS size in the guest's memory 1.993 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.475
Then I find very few patterns in the guest's memory after 3 seconds 4.955 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 4.249
And I read the content of the test FS 0.369
Then patterns cover at least 99% of the test FS size in the guest's memory 1.949 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.403
Then I find very few patterns in the guest's memory after 3 seconds 4.645 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:339 1.009
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:4.736
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 7.036
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the root filesystem 32.944
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.094
Then patterns cover at least 128 MiB in the guest's memory 1.617 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.596 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:339 4.016
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
5:0.834
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:14.369
And I prepare Tails for memory erasure tests 0.358
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.003
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.098 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
After features/support/hooks.rb:339 3.445
After features/support/hooks.rb:108 0.013